`Rect::Intersection(a, b)` instead of `Intersection(a, b)`, etc. Make them usable with other Rect variants, although `RoundOut` is not useful for integer rectangles, for example.
`Rect::Intersection(a, b)` instead of `Intersection(a, b)`, etc. Make them usable with other Rect variants, although `RoundOut` is not useful for integer rectangles, for example.